Optical panoramic survey-systems

Details Optical panoramic survey-systems Optical panoramic survey-systems

1978-02-21

1980-07-01

Corbin, John K.

G02B 2302

Patent

active

042103851

ABSTRACT:
A device for stabilizing the site of the sight line in an optical panoramic survey system carried by a vehicle, said system comprising a sighting tube rotatably mounted in the vehicle, driving means secured to the vehicle for rotating the tube about the optical axis thereof, and a reflector disposed at the top of the tube and rotatable about an axis normal to the optical axis, comprising a circular guideway, support means attached to the vehicle for supporting said guideway while holding vertical the axis thereof, a member guided along said guideway, a vertically adjustable member supported by said guided member, a link member with a variable length pivotally connected at one end to said adjustable member, a shaft secured to the other end of said link member, said shaft having an axis which intersects the axis of said guideway, means for imparting to said shaft a rotational movement identical with that of the tube, and means for transmitting the angular displacement from said shaft to said reflector with a 1:2 ratio.

REFERENCES:
patent: 3518016 (1970-06-01), Burdin et al.
patent: 3558212 (1971-01-01), Ritchie
patent: 3612643 (1971-10-01), Weber

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